is_on_channel
Name
is_on_channel -- Checks if a user is on a given channel
Synopsis
bool is_on_channel(string channel [, string nickname ]);
Description
is_on_channel provides a way of checking if a given
user has is on a given channel.
If no user is specified the bot itself is used.
Example 3-1. Making the bot join a channel if not on it
if (!$this->is_on_channel("#wollabot")) $this->join("#wollabot");